George Pyle: Carl Reiner and the television machine

They call them “situation comedies” — or “sitcoms” — because the humor in the program comes from the situation, the story.In this staple of television, and radio before that — and, shoot, all the way back to at least Shakespeare — the laughs often don’t come from pratfalls or rapid-fire jokes.What’s funny is the plot and how the characters interact, often in a way that involves miscommunication, deliberate or otherwise; mistaken identit